id:A085875 - OEIS Search Results

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Rearrangement of natural numbers as follows: a(1) = 1, a(2) =2, a(n+1) = smallest number not included earlier such that a(n-1)*a(n) + a(n+1) is a prime.

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1, 2, 3, 5, 4, 9, 7, 8, 11, 13, 6, 19, 17, 14, 25, 23, 12, 31, 29, 20, 21, 37, 10, 27, 41, 16, 35, 33, 26, 49, 15, 22, 43, 45, 38, 67, 47, 18, 61, 53, 24, 55, 79, 28, 39, 59, 32, 63, 65, 34, 57, 73, 40, 51, 71, 50, 81, 77, 62, 87, 83, 76, 89, 69, 56, 103, 75, 64, 109, 93, 44, 85 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Sequence in context: A156031 A119475 A096116 this_sequence A060030 A081025 A124653` `Adjacent sequences: A085872 A085873 A085874 this_sequence A085876 A085877 A085878`
	KEYWORD	`nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jul 07 2003`
	EXTENSIONS	`Corrected and extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Jul 08 2003`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

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